During the process of giving a blow job and only sucking on the head of the penis without going down the shaft of the penis.

It’s an acronym standing for Can’t Remember A Fucking Thing. It’s usually used to describe embarrassment at being unable to remember someone (CRAFT moment); going onstage as the lead in the latest theatrical performance and your mind goes completely blank (CRAFT situation); the next morning after a night when you got pissed as a fart and woke up in bed cuddling a traffic cone and a string of fairy lights wound round your prick.

One who sucks up to another, using the term to refer to the sucking up as kissing the tip of the penis.